
Connections
CoolMasterNet PRM Rev 0.7
8
www.coolautomation.com
© 2017 CoolAutomation
4 Connections
4.1 HVAC Lines
CoolMasterNet supports eight HVAC Lines labeled as L1 ... L8 (see
), intended for connection to various
HVAC systems. All eight HVAC Lines can be used simultaneously (except L1 with L5 and L2 with L6) and
independently according to CoolMasterNet configuration. Most of the HVAC Lines capable to support a number
of HVAC Types as specified in table below, but one at time, according to configuration of the specific Line.
HVAC Manufacturer
Acronym
L1
L2
L3
L4
L5
L6
L7
L8
Daikin
DK
P
P
Mitsubishi Electric
ME
P
P
Sanyo
SA
P
P
Toshiba
TO
P
P
Panasonic
PN
P
P
Hitachi
HT
P
P
LG
LG
P
P
P
P
P
Mitsubishi Heavy Industries
MH
P
P
P
P
P
Gree
GR
P
P
P
P
P
Midea
MD
P
P
P
P
P
Kentatsu
KT
P
P
P
P
P
Trane
TR
P
P
P
P
P
Chigo
CG
P
P
P
P
P
Fujitsu
FJ
P
Samsung
SM
P
P
P
P
P
Tadiran Inverter
TI
P
P
P
P
P
Meitav
MT
P
P
P
P
P
Haier
HA
P
P
Notes:
·
Q and R are used to adjust lines L1 and L2 internal parameters to meet specific HVAC Type
requirements.
·
Lines L1 and L5 share the same internal resources of CoolMasterNet and can not be used simultaneously.
·
Lines L2 and L6 share the same internal resources of CoolMasterNet and can not be used simultaneously.
P3 defines which line is enabled.
·
Lines L6 and L7 can be linked into a single line L7 with polarity auto-detection, by
Line L2 can be enabled in this case.
·
Line L3 is by default used for ModBus RTU RS485 communication.
4.2 HomeAutomation/BMS Protocols
CoolMasterNet supports several Home Automation/BMS protocols.
Home Automation/BMS
Protocol
Acronym
Line(s)/Port
KNX
KNX
L3
PlugBus (CoolHub)
CH
L3,L4,L5,L6,L7
HDL buspro 4-wire
HDL
L3,L4,L5,L6,L7
HDL buspro IP
Ethernet